Merged with released L2J-Unity files.

trunk/dist/game/data/scripts/handlers/targethandlers/Enemy.java

@@ -0,0 +1,151 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package handlers.targethandlers;
+
+import com.l2jmobius.gameserver.GeoData;
+import com.l2jmobius.gameserver.handler.ITargetTypeHandler;
+import com.l2jmobius.gameserver.model.L2Object;
+import com.l2jmobius.gameserver.model.actor.L2Character;
+import com.l2jmobius.gameserver.model.skills.Skill;
+import com.l2jmobius.gameserver.model.skills.targets.TargetType;
+import com.l2jmobius.gameserver.model.zone.ZoneId;
+import com.l2jmobius.gameserver.network.SystemMessageId;
+
+/**
+ * Target enemy or ally if force attacking.
+ * @author Nik
+ */
+public class Enemy implements ITargetTypeHandler
+{
+	@Override
+	public Enum<TargetType> getTargetType()
+	{
+		return TargetType.ENEMY;
+	}
+	
+	@Override
+	public L2Object getTarget(L2Character activeChar, L2Object selectedTarget, Skill skill, boolean forceUse, boolean dontMove, boolean sendMessage)
+	{
+		if (selectedTarget == null)
+		{
+			return null;
+		}
+		
+		if (!selectedTarget.isCharacter())
+		{
+			return null;
+		}
+		
+		final L2Character target = (L2Character) selectedTarget;
+		
+		// You cannot attack yourself even with force.
+		if (activeChar == target)
+		{
+			if (sendMessage)
+			{
+				activeChar.sendPacket(SystemMessageId.INVALID_TARGET);
+			}
+			
+			return null;
+		}
+		
+		// You cannot attack dead targets.
+		if (target.isDead())
+		{
+			if (sendMessage)
+			{
+				activeChar.sendPacket(SystemMessageId.INVALID_TARGET);
+			}
+			
+			return null;
+		}
+		
+		// Doors do not care about force attack.
+		if (target.isDoor() && !target.isAutoAttackable(activeChar))
+		{
+			if (sendMessage)
+			{
+				activeChar.sendPacket(SystemMessageId.INVALID_TARGET);
+			}
+			
+			return null;
+		}
+		
+		// Monsters can attack/be attacked anywhere. Players can attack creatures that aren't autoattackable with force attack.
+		if (target.isAutoAttackable(activeChar) || forceUse)
+		{
+			// Check for cast range if character cannot move. TODO: char will start follow until within castrange, but if his moving is blocked by geodata, this msg will be sent.
+			if (dontMove)
+			{
+				if (activeChar.calculateDistance(target, false, false) > skill.getCastRange())
+				{
+					if (sendMessage)
+					{
+						activeChar.sendPacket(SystemMessageId.THE_DISTANCE_IS_TOO_FAR_AND_SO_THE_CASTING_HAS_BEEN_STOPPED);
+					}
+					
+					return null;
+				}
+			}
+			
+			// Geodata check when character is within range.
+			if (!GeoData.getInstance().canSeeTarget(activeChar, target))
+			{
+				if (sendMessage)
+				{
+					activeChar.sendPacket(SystemMessageId.CANNOT_SEE_TARGET);
+				}
+				
+				return null;
+			}
+			
+			// Skills with this target type cannot be used by playables on playables in peace zone, but can be used by and on NPCs.
+			if (target.isInsidePeaceZone(activeChar))
+			{
+				if (sendMessage)
+				{
+					activeChar.sendPacket(SystemMessageId.A_MALICIOUS_SKILL_CANNOT_BE_USED_IN_A_PEACE_ZONE);
+				}
+				
+				return null;
+			}
+			
+			// Is this check still actual?
+			if (forceUse && (target.getActingPlayer() != null) && (activeChar.getActingPlayer() != null))
+			{
+				if ((activeChar.getActingPlayer().getSiegeState() > 0) && activeChar.isInsideZone(ZoneId.SIEGE) && (target.getActingPlayer().getSiegeState() == activeChar.getActingPlayer().getSiegeState()) && (target.getActingPlayer() != activeChar.getActingPlayer()) && (target.getActingPlayer().getSiegeSide() == activeChar.getActingPlayer().getSiegeSide()))
+				{
+					if (sendMessage)
+					{
+						activeChar.sendPacket(SystemMessageId.FORCE_ATTACK_IS_IMPOSSIBLE_AGAINST_A_TEMPORARY_ALLIED_MEMBER_DURING_A_SIEGE);
+					}
+					
+					return null;
+				}
+			}
+			
+			return target;
+		}
+		
+		if (sendMessage)
+		{
+			activeChar.sendPacket(SystemMessageId.INVALID_TARGET);
+		}
+		
+		return null;
+	}
+}